Today, the system admin gave me the server with Redhat Enterprise Linux (RHEL) 5.8 64 bit.

I must check necessary packages for Oracle installation 11gR3 64 bit. Bellow oracle installation documents, I can review packages on this server.

Actually, I am similar to RHEL 5.5 or lower versions. On this server, already exists some packages was installed before, but I concern about detail version number (format _8.1 or _8.2 - you can view bold text bellow):

Before, someone edited YUM configuration file (I did not know where !!). And now, when I run any commands with YUM (ex: yum install ..., yum update ...., yum list ...., ), I received same error message: